Finding the Fourth Proportional to 519,125.70, 778,688.55 and 282,929.70
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Solution
The fourth proportional to 519,125.70, 778,688.55 and 282,929.70 is: 424,394.55
Step by Step Solution
- Step 1: Write the proportion equation
519,125.70 : 778,688.55 = 282,929.70 : x - Step 2: Convert to fraction form
519,125.70/778,688.55 = 282,929.70/x - Step 3: Cross multiply
519,125.70x = 778,688.55 × 282,929.70 - Step 4: Simplify right side
519,125.70x = 220,314,117,844.94 - Step 5: Solve for x
x = 220,314,117,844.94/519,125.70 - Step 6: Final answer
x = 424,394.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.